浮游生物增长形成“赤潮”的种群动态是不规则波动。 ( )
参考答案：错
脊髓一侧锥体束受压可出现（）。
A.肌张力减低
B.腱反射消失
C.腹壁反射消失
D.肌萎缩
E.肌束震颤
The ______ Approach is a grammar based method in which principles of grammatical and lexical gradation are used and new teaching points presented and practised through meaningful situation activities.
